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Anastomoses Between Synthetic Graft and Artery A Study of Tensile Strength

Arch Surg. 1963;86(3):477-479. doi:10.1001/archsurg.1963.01310090127023.
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Although there have been extensive tests made of the retention or loss of tensile strength of various synthetic fabrics used as arterial grafts, no controlled experiments have been reported of the strength of the anastomotic bond between synthetic graft and host vessel. Such an investigation was deemed important because of the occasional late development of partial disruption at the suture line between graft and host vessel with formation of a false aneurysm. It has been postulated that such disruptions occur from the failure of a strong bond to develop between graft and host, which gives way completely when silk suture weakens and finally breaks. This study was planned to determine the strength of the anastomotic bond in experimental animals and in man many months after grafting, and to determine if the strength of this bond was dependent on the residual tensile strength of suture material.


A. Animal Experiments.  —Teflon


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